公开(公告)号：US4968142A

公开(公告)日：1990-11-06

申请号：US360559

申请日：1989-06-02

申请人： Thomas J. Manning ,  Byron A. Palmer ,  Douglas E. Hof

发明人： Thomas J. Manning ,  Byron A. Palmer ,  Douglas E. Hof

IPC分类号： G01N21/73 ,  H05H1/46

CPC分类号： H05H1/46 ,  G01N21/73

摘要： A closed inductively coupled plasma cell generates a relatively high power, low noise plasma for use in spectroscopic studies. A variety of gases can be selected to form the plasma to minimize spectroscopic interference and to provide a electron density and temperature range for the sample to be analyzed. Grounded conductors are placed at the tube ends and axially displaced from the inductive coil, whereby the resulting electromagnetic field acts to elongate the plasma in the tube. Sample materials can be injected in the plasma to be excited for spectroscopy.

摘要翻译： 闭合的电感耦合等离子体单元产生用于光谱研究的较高功率的低噪声等离子体。 可以选择各种气体以形成等离子体以使分光干涉最小化，并为待分析的样品提供电子密度和温度范围。 接地导体放置在管端，并从感应线圈轴向移位，由此产生的电磁场用于延长管中的等离子体。 可以将样品材料注入等离子体以进行光谱激发。